Don't recommend Train + Fly Iberia combo
Posting my first experience using the combo train and flight option from Iberia. I've used Iberia many times before and usually have not had bad experiences but this was my first using the combo ticket of Train plus Flight directly purchased from Iberia online. First, you can't add luggages to your booking online, nor on the app. Called many times to customer service and they first said they couldn't add luggage either because one of the legs was operated by Renfe. The second call I was able to add luggage, at a higher price than online, but cheaper than at the airport. Second, even after paying for the extra luggage via phone, when I got to the airport, my purchased luggage was not in my reservation. Had to pay twice at the airport. Even though my boarding pass clearly marked the extra paid luggage, the airport attendants were rude and I was forced to double pay. Third, you can't modify your train tickets. Renfe says that because it was bought through Iberia, only they can modify it. And Iberia said that if you have already done the check-in then you can't modify it. So you're stuck. Don't ever purchase Train + Fly combo from Iberia!! If I would have bought the tickets separately I would not have had any of these problems. Lesson learned. Now I have to submit an official complaint against the company and hope they refund my extra luggage that was double paid.